BUCHANAN "Q"

Oil · District 10 · Lease #32989

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

72k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2013-09

Peak Month

1993-08

Production History

Cum Oil: 72,355 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

654 BBL/mo

Di (annual)

8.2%

b-factor

0.0

EUR

94,178 BBL

R-squared

0.704

type

exponential

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY, LTD.19,1501990-11-28
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